internal: rewrite #[derive] removal to be based on AST (take 2)
#8796
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Veykril
approved these changes
May 11, 2021
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bors r+ |
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Second attempt of #8443, this uses syntactical attribute offsets in
hir_expand, and changesattr.rsto make those easy to derive.This will make it easy to add similar attribute removal for attribute macros, unblocking them.